A94a — Dutch: Stonewall, Botvinnik, 8.Ba3

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6 8.Ba3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes c5 et e5, un avant-poste en e5, un fou actif en a3 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes e4 et g4, un avant-poste en g4, un fou actif en e7 et la paire de fous.

Côté adverse. Le fou enfermé en g2.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4)) ; ...Nbd7 (Développer Nb8) ; ...Bg4 (Clouer Nf3) ; ...c5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● c6→d5, e6→d5, e6→f5, b7→c6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c5 (2v1), ● e5 (2v0)	● e4 (3v0), ● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (4v1), ● e4 (3v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bg2	● Bg2 Enfermé (mob. 2)
Ba3	● Ba3 Actif (mob. 6)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (b1, a1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5	● …c6-c5, ● …e6-e5, ● …f5-f4

Partie
1939 Leningrad ch-URS – Round 7 – Botvinnik, Mikhail – 1/2-1/2 – Ragozin, Viacheslav – G59 1. Nf3 e6 2. c4 f5 3. g3 Nf6 4. Bg2 d5 5. O-O c6 6. b3 Bd6 7. d4 O-O 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. Nc2 Qe8
1944 Beverwijk NED – Round ? – Van Scheltinga, Theo – 1-0 – Van der Tol, Teun – G8 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. Ba3 Bxa3 9. Nxa3 Bd7 10. Qd3 Qe7
1946 Leningrad – Round 1 – Petrosian, Tigran A. – 1-0 – Korchnoi, Viktor – G5 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. O-O Bd6 6. c4 c6 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Qe8 10. Nc2 Qh5
1946 Moscow – Round 1 – Alatortsev, Vladimir N. – 1-0 – Chistiakov, Alexander – G7 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. Ba3 Nbd7 9. Bxe7 Qxe7 10. Nbd2 Ne4
1948 It Beverwijk NED – Round ? – Van Scheltinga, Theo – 1/2-1/2 – Cortlever, Nico – G6 1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. c4 d5 6. O-O O-O 7. b3 c6 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Nc2 Nbd7
1948 JUG Ch – Round 12 – Pirc, Vasja – 1/2-1/2 – Nedeljkovic, Srecko M – G53 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 c6 6. O-O O-O 7. b3 d5 8. Ba3 Kh8 9. Bxe7 Qxe7 10. Qc2 Ne4
1948 Moskou ch-URS – Round 18 – Alatortsev, Vladimir N. – 1-0 – Konstantinopolsky, Alexander – G145 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 c6 7. b3 d5 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Qc1 Nbd7
1948 Saltsjobaden Interzonal – Round 12 – Flohr, Salo – 1/2-1/2 – Ragozin, Viacheslav – G114 1. Nf3 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 d5 7. b3 c6 8. Ba3 Nbd7 9. Qc1 Ne4 10. Nbd2 Nd6
1948 YUG Ch – Round 14 – Rabar, Braslav – 1-0 – Vukovic, Sava – G22 1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. O-O d5 5. d4 c6 6. b3 Be7 7. c4 O-O 8. Ba3 a5 9. Bxe7 Qxe7 10. Nbd2 Nbd7
1949 BUL Ch – Round 15 – Ivanov, Pavel – 1/2-1/2 – Bobotsov, Milko G – G73 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. O-O Be7 6. c4 c6 7. b3 O-O 8. Ba3 Nbd7 9. Bxe7 Qxe7 10. Nc3 Ne4
1949 Leningrad – Round 10 – Tarasov, Vitaly – 1/2-1/2 – Zagoriansky, Evgeny – G72 1. d4 d5 2. Nf3 e6 3. c4 f5 4. g3 Nf6 5. Bg2 c6 6. O-O Bd6 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Qc7 10. Qc1 Nbd7
1949 URS Ch, semi final – Round 3 – Kholmov, Ratmir D – 1/2-1/2 – Pirtskhalava, Akaki – G35 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba3 Nbd7 9. Qc1 Ne4 10. Bxe7 Qxe7
1949 Zagreb ch-YUG – Round 7 – Bozic, Alexander – 1-0 – Nedeljkovic, Srecko M – G3 1. d4 d5 2. Nf3 e6 3. g3 f5 4. Bg2 Nf6 5. O-O Be7 6. c4 O-O 7. b3 c6 8. Ba3 Nbd7 9. Bxe7 Qxe7 10. Qc2 b6
1950 Mar del Plata – Round 16 – Gligorić, Svetozar – 1/2-1/2 – Guimard, Carlos E – G139 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. O-O Be7 5. c4 O-O 6. d4 d5 7. b3 c6 8. Ba3 Bxa3 9. Nxa3 Bd7 10. Nc2 Be8
1951 It I Beverwijk NED – Round 1 – Donner, Jan-Hein – 1-0 – Kieninger, Georg – G1 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. b3 c6 7. c4 d5 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Qc1 Nbd7
1951 Madrid ESP – Round 14 – Giustolisi, Alberto – 1-0 – Adserias Sanz, Juan – G31 1. d4 f5 2. c4 Nf6 3. Nf3 e6 4. g3 c6 5. Bg2 d5 6. O-O Bd6 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Qe8 10. Qc2 Ne4
1951 World Championship 19th – Round 7 – Botvinnik, Mikhail – 1-0 – Bronstein, David I – G6 1. d4 d5 2. c4 e6 3. Nf3 c6 4. g3 f5 5. Bg2 Nf6 6. O-O Be7 7. b3 O-O 8. Ba3 b6 9. Bxe7 Qxe7 10. Ne5 Bb7
1952 Budapest – Round 5 – Szabo, Ladislav – 1/2-1/2 – Botvinnik, Mikhail – G47 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 d5 6. O-O O-O 7. b3 c6 8. Ba3 Nbd7 9. Qc1 Ne4 10. Nbd2 Bxa3
1952 Havana – Round 12 – Abad Gonzalez, Jose Miguel – 1-0 – Guimard, Carlos E – G100 1. c4 f5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 d5 6. O-O c6 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Bd7 10. Nc2 Be8
1952 Hungary Ch – Round 6 – Lengyel, Laszlo – 1-0 – Szilagyi, Gyorgy Laszlo – G33 1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 d5 5. d4 c6 6. O-O Be7 7. b3 O-O 8. Ba3 b6 9. Qc1 Bb7 10. Qe3 Ne4
1952 JUG Ch – Round 10 – Ivkov, Borislav – 1/2-1/2 – Bozic, Aleksandar – G65 1. Nf3 e6 2. d4 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. Ba3 Nbd7 9. Bxe7 Qxe7 10. Nbd2 b6
1952 New York m – Round 7 – Reshevsky, Samuel – 0-1 – Gligorić, Svetozar – G7 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. b3 d5 8. Ba3 Bd7 9. Qc1 Be8 10. Ng5 Bf7
1953 ARG Ch Buenos Aires ARG – Round 1 – Shocron, Alon – 0-1 – Guimard, Jean Louis – G5 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Nc2 Nbd7
1953 GER Ch 15th – Round 4 – Unzicker, Wolfgang – 1-0 – Uhlmann, Wolfgang – G10 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. c4 d5 6. O-O O-O 7. b3 c6 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. Qc1 b6
1953 Opatija – Round 2 – Vidmar, Milan Jr – 1/2-1/2 – Porreca, Giorgio – G17 1. c4 f5 2. d4 e6 3. g3 Nf6 4. Bg2 d5 5. Nf3 c6 6. O-O Bd6 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. Nc2 Qe8
1953 Venetie – Round 11 – Van Scheltinga, Theo – 1/2-1/2 – Heidenfeld, Wolfgang – G16 1. c4 f5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Qc1 Nbd7
1953 Wch U20 fin-A – Round 6 – Boey, Josef – 0-1 – Persitz, Raaphi – G16 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. Qc1 Ne4
1953 YUG-ITA m – Round 2.9 – Vidmar, Milan Jr – 1-0 – Staldi, Cherubino – G20 1. d4 d5 2. c4 c6 3. Nf3 e6 4. g3 f5 5. Bg2 Nf6 6. O-O Be7 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Qc1 Nbd7
1954 DDR Ch U20 – Round 2 – Moehring, Guenther – 1-0 – Birkholz, Hans Joachim – G7 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba3 Bxa3 9. Nxa3 Bd7 10. Nc2 Be8
1955 BLR-POL m – Round ? – Sokolsky, Alexey – 1-0 – Balcarek, Wiktor – G1 1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 d5 5. d4 Be7 6. O-O O-O 7. b3 c6 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Nc2 Nbd7
1955 Prague tm – Round 3 – Dolezal, Jiri – 1/2-1/2 – Ujtelky, Maximilian – G11 1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. b3 d5 7. d4 c6 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. Nc2 Qe8
1956 Mar del Plata ARG – Round 3 – Rossetto, Hector – 1/2-1/2 – Guimard, Carlos E – G3 1. c4 e6 2. g3 f5 3. Bg2 Nf6 4. b3 Be7 5. Nf3 O-O 6. O-O c6 7. d4 d5 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Nc2 Bd7
1956 Moskou olm – Round 1 – Campomanes, Florencio – 1-0 – McGovan, D. – G76 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. d4 Be7 5. c4 O-O 6. O-O d5 7. b3 c6 8. Ba3 Nbd7 9. Bxe7 Qxe7 10. Nc3 Ne4
1956 URS Ch sf – Round ? – Tarasov, Vitaly – 1-0 – Matskevich, Avshalom – G19 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 d5 7. c4 c6 8. Ba3 Nbd7 9. Qc1 Ne4 10. Bxe7 Qxe7
1957 New Jersey State Ch Open – Round 4 – Feuerstein, Arthur – 1-0 – Mengarini, Ariel – G15 1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. O-O d5 5. c4 c6 6. b3 Bd6 7. d4 O-O 8. Ba3 Bxa3 9. Nxa3 Bd7 10. Nc2 Be8
1958 Munich ol (Men) fin-B – Round 3 – Cuellar Gacharna, Miguel – 1-0 – Franck, Alfons – G5 1. c4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. d4 d5 6. O-O c6 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Ne4 10. e3 Nd7
1959 Corr – Round 1 – Korn, Alfred – 1/2-1/2 – Boutteville, Cesar – G1 1. c4 f5 2. d4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 d5 6. O-O c6 7. b3 O-O 8. Ba3 b6 9. Bxe7 Qxe7 10. Ne5 Bb7
1960 Buenos Aires – Round 1 – Uhlmann, Wolfgang – 0-1 – Guimard, Carlos E – G8 1. d4 f5 2. g3 e6 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. Ba3 Bd7 9. Qc1 Be8 10. Nc3 Nbd7
1960 Ljubljana – Round 1 – Sofrevski, Jovan – 1-0 – Ruffne Toth, Andrea – G22 1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. O-O d5 5. d4 Be7 6. c4 c6 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Qc1 b6
1960 Olympiad prel III – Round 5 – Barcza, Gedeon – 1-0 – Solmundarson, Magnus – G39 1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. b3 d5 7. c4 c6 8. Ba3 Nbd7 9. Qc1 Ne4 10. Bxe7 Qxe7
1960 WchT U26 07th – Round 14 – Maedler, Juergen, Dr. – 1/2-1/2 – Mabbs, David J – G34 1. d4 e6 2. g3 f5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. Ba3 b6 9. Bxe7 Qxe7 10. Ne5 Nbd7
1961 Baden-Vienna – Round 1 – Barcza, Gedeon – 1/2-1/2 – Dueckstein, Andreas – G12 1. Nf3 f5 2. d4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 d5 7. c4 c6 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. Nc2 Ne4
1961 Oberhausen etc – Round 1 – Lengyel, Laszlo – 1/2-1/2 – Amores Beltran, Sara – G50 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. O-O Be7 5. d4 O-O 6. b3 d5 7. c4 c6 8. Ba3 Ne4 9. Ne5 Nd6 10. Nd2 Nd7
1961 USA Ch Open 62th – Round 1 – Bisguier, Arthur B – 1-0 – Robinson, Nathan – G2 1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 d5 5. Bg2 Be7 6. O-O O-O 7. b3 c6 8. Ba3 Ne4 9. Qc1 Nd7 10. Nbd2 Ndf6
1962 Vrnjacka Banja – Round 3 – Udovcic, Mijo – 0-1 – Eric, Dusan Z – G34 1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. b3 d5 7. c4 c6 8. Ba3 Nbd7 9. Bxe7 Qxe7 10. Qc2 Ne4
1963 Leipzig Open 6364 2nd – Round 3 – Muehlberg, Siegfried – 0-1 – Fahnenschmidt, Gerhard – G12 1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 c6 5. O-O Be7 6. d4 O-O 7. b3 d5 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. Qc2 Qe7
1964 Bordeaux Open – Round 5 – Bilek, Istvan – 1-0 – Maric, Rudolf – G14 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. O-O Be7 5. d4 O-O 6. c4 d5 7. b3 c6 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Qc1 b6
1964 WchT U26 11. fin-A – Round 9.2 – Marovic, Drazen – 1/2-1/2 – Kalme, Charles I – G153 1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 d5 5. O-O Be7 6. c4 c6 7. b3 O-O 8. Ba3 Ne4 9. Qc1 g5 10. Bxe7 Qxe7
1965 Hungary – Round 1 – Szily, Jozsef – 1-0 – Farago, Ivan – G108 1. Nf3 d5 2. c4 e6 3. d4 f5 4. g3 Nf6 5. Bg2 Be7 6. O-O O-O 7. b3 c6 8. Ba3 Nbd7 9. Qc1 Ne4 10. Bxe7 Qxe7
1966 La Habana olm fin-A – Round 10 – Petrosian, Tigran V – 1-0 – Hoen, Ragnar Harald – G181 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. O-O Bd6 6. c4 c6 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. Qc1 Qe7
1966 The Hague zt – Round 15 – Kavalek, Lubomir – 1-0 – Durão, Joaquim Manuel – G9 1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 d5 5. O-O Bd6 6. d4 c6 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. Nc2 Ne4
1967 YUG Ch 22th – Round 16 – Buljovcic, Ivan – 1-0 – Maric, Rudolf – G89 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. c4 Be7 5. d4 c6 6. O-O O-O 7. b3 d5 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Nc2 Nbd7
1968 Monte Carlo-B – Round 1 – Gereben, Erno – 1-0 – Kostjoerin, Anatole – G1 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. b3 d5 6. O-O O-O 7. Ba3 Bxa3 8. Nxa3 Qe7 9. Qc1 c6 10. c4 Nbd7
1968 Weimar ch DDR – Round 2 – Starck, Bodo – 0-1 – Moehring, Guenther – G2 1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O d5 7. b3 c6 8. Ba3 Nbd7 9. Bxe7 Qxe7 10. Nc3 Ne4
1969 Budapest ch-HUN – Round 1 – Filep, Tibor – 1/2-1/2 – Farago, Ivan – G23 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 d5 7. c4 c6 8. Ba3 Nbd7 9. Qc1 Ne4 10. Bxe7 Qxe7
1969 It – Round 2 – Vukic, Milan – 1/2-1/2 – Moehring, Guenther – G2 1. d4 f5 2. c4 Nf6 3. Nf3 e6 4. g3 Be7 5. Bg2 O-O 6. O-O d5 7. b3 c6 8. Ba3 Nbd7 9. Qc1 Ne4 10. Bxe7 Qxe7
1969 Praia da Rocha zt – Round 15 – Filip, Miroslav – 1/2-1/2 – Mariotti, Sergio – G42 1. Nf3 e6 2. d4 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d5 7. b3 c6 8. Ba3 Nbd7 9. Bxe7 Qxe7 10. Qc2 Ne4
1969 Praia da Rocha zt – Round 6 – Bilek, Istvan – 1/2-1/2 – Mariotti, Sergio – G24 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. d4 Be7 5. c4 O-O 6. O-O d5 7. b3 c6 8. Ba3 b6 9. Bxe7 Qxe7 10. Qc2 g6
1970 Vinkovci – Round 5 – Hort, Vlastimil – 1-0 – Bertok, Mario – G25 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. Nf3 O-O 6. O-O c6 7. b3 d5 8. Ba3 Ne4 9. Bxe7 Qxe7 10. Nbd2 Qf6

A94a — Stonewall Botvinnik

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6 8.Ba3

Eval: [+0.27]

Les coups candidats

8…Bxa3 — 35.1% (370 parties) →

Ambassadeurs : Hincke, Guenter (5x), Guimard, Carlos E (4x), Rivera, Daniel (4x), Van Scheltinga, Theo (3x), Chetverik, Maxim (3x), Maric, Rudolf (2x), Uhlmann, Wolfgang (2x), Klinger, Jacquelin (2x)

8…Nbd7 — 26.1% (275 parties) →

Ambassadeurs : Mariotti, Sergio (5x), Shachar, Ehud (5x), Moehring, Guenther (3x), Csoma, Robert (3x), Farago, Ivan (2x), Brueckner, Thomas (2x), Chistiakov, Alexander (2x), Egmond, Peter (2x)

8…Ne4 — 15.5% (163 parties)

Ambassadeurs : Leow, Leslie M (2x), Sviridov, Valentin (2x), Artiuhin, I (2x), Wageih, Kareim (2x), Maloberti, David (2x), Siegmund, Rainer (2x), Brettschneider, Karl (2x), Golovko, N. (1x)

8…Bd7 — 15.3% (161 parties) →

Ambassadeurs : Notaros, Krasoje (5x), Kuzin, Anton (5x), Bondick, Karl-Heinz (5x), Bohm, Hans (4x), Rosen, Daniel B (4x), Sosonko, Gennadi (3x), Van der Sterren, Paul (3x), Enklaar, Bert (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Bxa3	8…Nbd7	8…Ne4	8…Bd7
<1800	30	40%	20%	7%	10%
1800-2200	392	36%	21%	21%	15%
2200-2600	350	35%	27%	11%	19%
2600+	2	—	50%	—	50%

Évolution par décennie (% des parties)

Décennie	N parties	8…Bxa3	8…Nbd7	8…Ne4	8…Bd7
1940s	11	27%	55%	—	—
1950s	31	55%	26%	6%	3%
1960s	31	35%	32%	19%	6%
1970s	51	29%	27%	16%	25%
1980s	78	33%	33%	9%	17%
1990s	280	38%	28%	14%	14%
2000s	320	31%	25%	16%	18%
2010s	216	38%	21%	20%	13%
2020s	36	33%	19%	14%	17%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Bxa3	38%	33%	▼ -4.2%
8…Nbd7	21%	19%	▼ -1.9%
8…Ne4	20%	14%	▼ -6.5%
8…Bd7	13%	17%	▲ +3.2%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 2 parties
Euwe, Max — 1 partie

Parties historiques

8…Bxa3 — 35.1% (370 parties)

1944 — Van Scheltinga, Theo vs Van der Tol, Teun — 1-0 — Beverwijk NED
1948 — Alatortsev, Vladimir N. vs Konstantinopolsky, Alexander — 1-0 — Moskou ch-URS
1948 — Van Scheltinga, Theo vs Cortlever, Nico — 1/2-1/2 — It Beverwijk NED
1950 — Gligorić, Svetozar vs Guimard, Carlos E — 1/2-1/2 — Mar del Plata ARG
1951 — Zalys, Ignas vs Williams, J.Noel — 1-0 — Montreal CAN

8…Nbd7 — 26.1% (275 parties)

1941 — Kmoch, Hans vs Euwe, Max — 1/2-1/2 — NLD
1946 — Alatortsev, Vladimir N. vs Chistiakov, Alexander — 1-0 — Moscow RUS
1948 — Flohr, Salo vs Ragozin, Viacheslav — 1/2-1/2 — Saltsjobaden SWE
1949 — Bozic, Alexander vs Nedeljkovic, Srecko M — 1-0 — Zagreb ch-YUG
1949 — Ivanov, Pavel vs Bobotsov, Milko G — 1/2-1/2 — Sofia BUL

8…Ne4 — 15.5% (163 parties)

1955 — Dvorak Santos, Tiago vs Muehl, Malte Luis — 1-0 — Prague CZE
1957 — Klugman, Reuben vs Halper, N — 1-0 — New York, NY USA
1961 — Bisguier, Arthur B vs Robinson, Nathan — 1-0 — San Francisco, CA USA
1961 — Lengyel, Laszlo vs Amores Beltran, Sara — 1/2-1/2 — Oberhausen etc
1964 — Marovic, Drazen vs Kalme, Charles I — 1/2-1/2 — Krakow POL

8…Bd7 — 15.3% (161 parties)

1952 — Reshevsky, Samuel vs Gligorić, Svetozar — 0-1 — New York, NY USA
1960 — Uhlmann, Wolfgang vs Guimard, Carlos E — 0-1 — Buenos Aires ARG
1967 — Haugaard Nielsen, Johannes vs Montgomery, James — 1/2-1/2 — Harrachov
1970 — Antunac, Goran vs Smederevac, Petar — 1/2-1/2 — Wijk aan Zee NED
1973 — Lucignano vs Idili, Leonardo — 1/2-1/2 — corr Italy

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